87275203 has 2 divisors, whose sum is σ = 87275204. Its totient is φ = 87275202.

The previous prime is 87275191. The next prime is 87275207. The reversal of 87275203 is 30257278.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87275203 is a prime.

It is a super-2 number, since 2×87275203² = 15233922117382418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (87275207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43637601 + 43637602.

It is an arithmetic number, because the mean of its divisors is an integer number (43637602).

Almost surely, 2^87275203 is an apocalyptic number.

87275203 is a deficient number, since it is larger than the sum of its proper divisors (1).

87275203 is an equidigital number, since it uses as much as digits as its factorization.

87275203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 87275203 is about 9342.1198343845. The cubic root of 87275203 is about 443.5714878617.

It can be divided in two parts, 87275 and 203, that added together give a palindrome (87478).

The spelling of 87275203 in words is "eighty-seven million, two hundred seventy-five thousand, two hundred three".